#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int n,cnt;
int a[N];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++) scanf("%d",&a[i]);
    sort(a+1,a+n+1);
    cnt=n;
    for(int i=2,j=1;i<=n;i++){
        if(a[i]>a[j]){
            cnt--;j++;
        }
    }
    printf("%d",cnt);
    return 0;
}
